Product Information Sheet:


ROCKBOND SUPER DENSITY (3600) GROUT (RB SD3600G) powder is a specially designed, pre-mixed, ready to use, cementitious grout powder. The compound is a blend of fine cements, quality graded heavy sands and a set of admixtures. When the powder is mixed with water, a free flowing, anti-shrink, super density, high strength grout is produced, which will not segregate or bleed at the recommended water content. ROCKBOND SUPER DENSITY (3600) GROUT has a minimum set density of 3600kg/m3, and the ROCKBOND SUPER DENSITY (4000) GROUT (RB SD4000G) has a minimum set density of 4000kg/m³. The powders are packaged in 25kg moisture proof, durable sacks, and have a shelf life of 5 years.

Special Properties


  • Quickly and easily mixed, poured and placed.
  • Contains a unique system of wetting, dispersing and stabilising agents.
  • No segregation or bleeding at the recommended water content.
  • The grouts are high flow, self compacting, self smoothing, and are readily pumpable.
  • Anti-shrink.
  • Can be formulated and supplied to give densities of between 2500 and 6000kg/m³.
  • Contain no chlorides, high alumina cement or other deleterious substances.
  • Economical, non flammable, non toxic, user friendly and safe to use.


  • Flowing super density and super strength applications.
  • Radiation shielding and absorption.
  • Barrier to microwave, X-rays and other harmful radiation.
  • For use in hospital X-ray rooms.
  • Electronic shielding to computer rooms.
  • Military installations.
  • High security safe protection.
  • Ballast for boats.
  • To protect concrete exposed to a high degree of thermal attack, impact and abrasion.